The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
Jul. 10, 2014
Yanmar Co., Ltd., Osaka-shi, Osaka, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
Provided is an exhaust gas purifying apparatus capable of making a filter entrance temperature reach a target temperature while suppressing excessive temperature increases and release of THC even upon extension of the exhaust path or decreases in outside air temperature. The exhaust gas purifying apparatus includes an oxidation catalystand a filterthat are placed in an exhaust pathof an engine, a fuel injection devicefor injecting fuel in accordance with a fuel injection pattern, and a control deviceconfigured to be capable of setting the fuel injection pattern including post-injection, wherein an upper-limit value of post-injection quantity increases with decreasing outside air temperature and/or with elongating path length of the exhaust path